How many Solar Panels are Needed to Run a House?

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The question of how many solar panels are needed to power a home is a common one, especially as people are becoming more aware of the importance of using alternative sources of energy. So, is there a way one can determine the total number of solar panels required? Yes, through approximation.

Solar panels are often preferred for both electrical and hot water needs. To approximate the number of panels needed to power your household, you have to consider factors such as the total size of your home and the intended usage.

For instance, based on electrical estimations, a 150 square meter house with an electricity bill of $150 a month might require approximately 20 panels to power the entire house. Two solar panels can solve 70% of hot water needs for a family of four depending on the energy source for the hot water system.

solar panels installed on the roof

Factors Affecting the Number of Solar Panels

Usage

The number of solar panels required is based on your overall usage. A home with high electric consumption will require more panels to meet the total power needs. Similarly, if you want to use panels to substitute electricity and also heat water, then you will require more panels than a household looking to use solar for heating purposes only.

Size

Large homes require additional panels to serve the entire property. Small apartments or households typically require small panels, especially if the use is solely for heating water. But for a large apartment with high electrical needs, you might need several panels to power up the entire property.

solar panels installed on the house

How can I Install Solar Panels on my Home?

To successfully install solar panels, you will need to contact professionals with relevant experience on solar panel installation. At Powerlec, we utilise solar pathfinder technology to determine the amount of sun your home receives annually, which helps us to calculate the total power you can generate. Measuring your solar access helps us to understand the best type of panels to install on your property for maximum power conversion.

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